CN110707452B - Throwing-hanging type grounding device - Google Patents
Throwing-hanging type grounding device Download PDFInfo
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- CN110707452B CN110707452B CN201910983783.2A CN201910983783A CN110707452B CN 110707452 B CN110707452 B CN 110707452B CN 201910983783 A CN201910983783 A CN 201910983783A CN 110707452 B CN110707452 B CN 110707452B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/12—End pieces terminating in an eye, hook, or fork
- H01R11/14—End pieces terminating in an eye, hook, or fork the hook being adapted for hanging on overhead or other suspended lines, e.g. hot line clamp
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/22—End pieces terminating in a spring clip
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/007—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for elastomeric connecting elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/027—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for connecting conductors by clips
Abstract
The application discloses a throwing-hanging type grounding device, which comprises a hook, wherein the hook is of a U-shaped structure comprising a first opening, the first opening is used for accommodating a conducting wire, the hook is connected with a first rope and a second rope which can adjust the direction of the first opening of the hook, the first opening is provided with a stop lever which is hinged at one side of the first opening and rotates around a hinged point under the action of gravity to close the first opening and limit the conducting wire in the first opening, or the first opening is opened to form a channel for the lead to pass through, the opening is intermittently sealed by the matching of the hook with the opening and the stop lever, the stop lever is controlled by gravity to limit the lead to fall off or open the opening to remove the hook, the whole process is controlled by only two ropes, the stability of connection between the grounding wire and the lead is guaranteed, the operation difficulty is reduced, and the operation efficiency and the grounding efficiency are improved.
Description
Technical Field
The application relates to the field of high-voltage power transmission, in particular to a throwing-hanging type grounding device.
Background
In the process of overhauling or laying the transmission line, each line is uncharged, but for safety, the electric power safety working rules stipulate that: after the line experience is clear and no voltage exists, a grounding wire is required to be installed immediately and three-phase short circuit is caused, electricity is required to be tested and the grounding wire is required to be installed at each end of a working section and a branch which is possible to be transmitted to a working section of a power failure line, the grounding wire set is composed of a plurality of strands of soft copper wires with transparent sheaths, the sectional area is not less than 25mm2In the installation process, an insulating rod or a special insulating rope is used, and a human body cannot touch an ungrounded wire; therefore, in the process of line maintenance or layout, the line needs to be grounded frequently; the traditional ground wire hanging mode is that an operator throws a ground wire chuck to a wire position through an insulating rope, so that the chuck collides with the wire, and the chuck is closed to clamp the wire for hanging.
The inventor finds that in actual maintenance work, due to the limitation of the traditional grounding wire structure and the hanging mode, when the grounding wire is hung, an operator needs to throw an insulating rope, an opening of a clamping head of the grounding wire is accurately butted with the conducting wire, the conducting wire can be clamped after colliding with a pressing tongue, and the operator needs to try the grounding wire for many times continuously to succeed when hanging the grounding wire; when the strain iron tower with a large face-to-face angle is used, the wire is far away from the cross arm, the hanging difficulty is higher, and even the hanging of the tower is forced to be changed, so that the working time is greatly prolonged, the workload of operators is increased, and great potential safety hazards are brought; although the opening of the hook is enlarged by other grounding wire structures, the hook is not provided with a safety and is easy to fall off, or the operation complexity is greatly increased after the safety is set; the conventional traditional grounding wire is difficult to meet the requirements of high working efficiency, less workload and small potential safety hazard in the suspension process; and then it is difficult to guarantee safe and reliable successfully to hang and establish the earth connection.
Disclosure of Invention
The purpose of this application is to the defect that prior art exists, provides a throw hanging earthing device, carries out intermittent type nature confined pin through having the open-ended couple cooperation to the opening, utilizes dropping or opening of gravity control pin restriction wire to demolish the couple, and whole process only need be controlled through two ropes, when guaranteeing earth connection and wire connection stability, has reduced the operation degree of difficulty, has improved the efficiency of operating efficiency and ground connection.
In order to realize the purpose, the following technical scheme is adopted:
the utility model provides a throw hanging earthing device, includes the couple, the couple is for including a first open-ended "U" type structure, first open-ended inside is used for holding the wire, be connected with first rope and the second rope of the first opening orientation of adjustment couple on the couple, first opening part is equipped with the pin, the pin articulates in first opening one side and rotates around the pin joint under the effect of gravity for seal first opening with the wire restriction inside first opening, or open the passageway that first opening formed and supply the wire to pass through.
Further, the middle of the stop lever is arranged on one side of the first opening, one end of the stop lever can contact the other side of the first opening when rotating, and the other end of the stop lever is provided with a balancing weight.
Further, when the first opening faces upward, the blocking rod is in a state of closing the first opening and is used for blocking the lead from coming off from the first opening, and when the first opening faces downward, the blocking rod is integrally positioned on the same side of the first opening and is matched with the first opening to form a channel.
Further, the inside locking mechanism that is equipped with of first opening, locking mechanism includes first locking plate and the second locking plate that sets up on the couple for couple central line symmetry, first locking plate and second locking plate form an holding tank jointly for hold and fix the wire, the holding tank is close to first open-ended one end and is equipped with the second opening, second open-ended width is less than the width of holding tank other parts.
Further, the width of the opening end of the hook is larger than that of the other end.
Further, the perpendicular distance that couple open end both sides apart from the other end is different, the pin is installed in the shorter one side of perpendicular distance.
Furthermore, the open end of couple is connected with the earth connection, the one end that the couple was kept away from to the earth connection is connected with ground structure, ground structure passes through earth connection and couple electricity federation for with the wire ground connection of cooperation on the couple.
Furthermore, the first rope is fixed at the opening end of the hook, and the second rope is fixed at the other end of the hook.
Furthermore, the first rope is fixed on one side where the grounding wire at the opening end is located, and the first rope and the second rope are jointly placed or lifted to form a hook along with the grounding wire.
Furthermore, a copper sheet is fixed at the tail end of the grounding wire and is installed on the hook through a threaded connecting piece.
Compared with the prior art, the application has the advantages and positive effects that:
(1) the problems that the traditional ground wire suspension is high in trial frequency, high in operation difficulty and the like are effectively solved, the hook can directly form a position to be matched by utilizing the weight difference of two sides of the hook after the ground wire is thrown, so that the probability that a cable enters the hook after the ground wire is thrown can be improved, the matching efficiency is improved, the trial frequency is effectively reduced, and on the other hand, the hook with a larger opening is matched, the success rate of the ground wire suspension is further obviously improved, and the power failure maintenance progress is accelerated;
(2) the gravity self-locking mechanism of the stop lever is adopted, the working state of the stop lever is controlled by the first rope and the second rope, and the hook and the lead are quickly matched, locked, unlocked and detached on the basis of not adding other operations;
(3) by utilizing the containing groove structure formed by the first locking plate and the second locking plate, the conducting wire sequentially passes through the first opening and the second opening to enter the containing groove for fixing, so that the purposes of fixing the hook and the grounding wire on the conducting wire and electrically connecting the hook and the grounding wire are achieved, good contact of the electrical connection is ensured, the entering and the separation of the containing groove can be realized just by operating the first rope and the second rope, and the whole operation process is convenient;
(4) the operation speed of operators is improved, the times of hanging attempts are reduced, and the hanging position does not need to be changed when the tension tower with a large corner faces the tension tower with the large corner, so that the workload and labor intensity of the operators are greatly reduced, and the safety of the maintenance work of the power transmission line is improved;
(5) utilize copper sheet cooperation threaded connection spare to realize being connected of earth connection and couple, when the unsatisfied demand of loss appears in the earth connection, can change the earth connection fast.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a schematic structural view of a hook engaged with a wire in embodiment 1 of the present application;
FIG. 2 is a schematic structural view of a hook according to example 1 of the present application when removed from a conductor;
FIG. 3 is a schematic structural view of the stopper and the stop lever in accordance with embodiment 1 of the present application;
fig. 4 is a schematic structural view of the embodiment 1 of the present application when the blocking of the wire by the blocking lever is released.
In the figure: 1. hooking; 2. a first opening; 3. a first cord; 4. a second rope; 5. a stop lever; 6. a first locking plate; 7. a second locking plate; 8. a ground line; 9. a limiting block; 10. a wire; 501. a balancing weight; 601. a second opening; 602. and (6) accommodating the tank.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "up", "down", "left" and "right" in this application, if any, merely indicate correspondence with the directions of up, down, left and right of the drawings themselves, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the application.
The terms "mounted", "connected", "fixed", and the like in the present application should be understood broadly, and for example, the terms "mounted", "connected", and "fixed" may be fixedly connected, detachably connected, or integrated; the two components can be connected mechanically or electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and the terms used in the present invention should be understood as having specific meanings to those skilled in the art.
As introduced in the background art, the conventional grounding wire structure and the hanging mode are limited in the prior art, when the grounding wire is hung, an operator is required to throw an insulating rope, an opening of a clamping head of the grounding wire is accurately butted with the conducting wire, the conducting wire can be clamped after colliding with a pressing tongue, and the operator can succeed by continuously trying for many times when hanging a grounding wire; when the strain iron tower with a large face-to-face angle is used, the wire is far away from the cross arm, the hanging difficulty is higher, and even the hanging of the tower is forced to be changed, so that the working time is greatly prolonged, the workload of operators is increased, and great potential safety hazards are brought; although the opening of the hook is enlarged by other grounding wire structures, the hook is not provided with a safety and is easy to fall off, or the operation complexity is greatly increased after the safety is set; current traditional earth connection is at the suspension in-process, is difficult to satisfy work efficiency height, work load is few, the little demand of potential safety hazard, to above-mentioned technical problem, this application has provided a throw hanging earthing device.
Example 1
In an exemplary embodiment of the present application, a drop-on grounding device is provided as shown in fig. 1-4.
The main body of the hook is a U-shaped hook 1, the hook is provided with an opening which is a first opening 2, a lead 10 can pass through the first opening 2 to enter the hook, in order to ensure that the lead can not fall off when entering the hook, the first opening of the hook is matched with a stop lever 5, the stop lever is hinged to one side of the first opening, the stop lever rotates around a hinged point of the stop lever under the action of gravity, the stop lever has two limit positions in the rotating process, and limit blocks 9 are respectively arranged at the two limit positions and used for contacting the stop lever and stopping the stop lever from further rotating so that the stop lever can only rotate between the two limit blocks; when the stop lever rotates to contact with the first limiting block, the stop lever seals the first opening, so that the wire is sealed in the hook, and the wire is prevented from falling off from the hook; when the hook needs to be removed, the stop lever rotates to the second limiting block, the stop lever does not block the first opening any more and is located on the same side of the first opening, so that a channel for the wire to be separated from the hook is formed at the first opening, the wire is separated from the hook in the channel, and the hook is detached from the wire. The problem of traditional fastener can't realize the locking, break away from the wire easily and drop is solved.
It is particularly pointed out that the positions of the limit blocks can be configured according to requirements as another more optimal configuration mode, the two limit blocks are both positioned on the same side of the first opening on the hook, the limit block for controlling the stop lever to close the first opening is positioned below the stop lever, and the stop piece structure is utilized to block the rotating position of the stop lever; the two movement limit positions of the stop lever are limited at the same side, the number of elements on the other side is reduced, the other side is used as a part which is firstly contacted with a lead, the number of the elements is less, the matching smoothness of the stop lever can be improved, and the matching difficulty caused by element interference and hooking is reduced.
Furthermore, the middle part of the stop lever is arranged at one side of the first opening, one end of the stop lever can contact with the other side of the first opening when rotating, and the other end of the stop lever is provided with a balancing weight 501; the weight difference between the end of the balancing weight and the other end of the stop lever is utilized to drive the stop lever to rotate;
specifically, when the first opening faces upward, the stop lever is in a state of closing the first opening and is used for preventing the lead from coming off from the first opening, and when the first opening faces downward, the whole stop lever is positioned on the same side of the first opening and is matched with the first opening to form a channel; whole process need not directly to the pin operate, only need change couple first open-ended orientation alright control with the rotation to the pin, realize from sealing the opening to opening the open-ended conversion repeatedly.
Preferably, the hook is connected with a first rope 3 and a second rope 4, the direction of the opening of the hook is controlled by the first rope and the second rope, the hook is controlled by only two ropes without other control elements, and compared with an operation process of a transmission wire clamp, the operation process is not increased.
Furthermore, a locking mechanism is arranged in the first opening, the locking mechanism comprises a first locking piece 6 and a second locking piece 7 which are symmetrically arranged on the hook relative to the center line of the hook, the first locking piece and the second locking piece together form an accommodating groove 602 for accommodating and fixing a wire, a second opening 601 is arranged at one end of the accommodating groove close to the first opening, and the width of the second opening is smaller than the width of other parts of the accommodating groove;
specifically, a gap is formed between the first locking plate and the second locking plate, an accommodating groove is formed in the gap, the accommodating groove is used for accommodating and clamping the wire, the structure is simple, the stability of connection between the wire and the accommodating groove is improved, the second opening is arranged to form a transition section of the wire from the first opening to the accommodating groove, the wire can smoothly enter the accommodating groove, and the working strength of an operator is reduced; the first locking plate and the second locking plate are both elastic reeds, the width of the second opening is smaller than the diameter of the wire, when the wire passes through the second opening, the first locking plate and the second locking plate are continuously extruded under the action of the tension of the first rope and the second rope, the width of the second opening is expanded to be equal to the diameter of the wire, then the wire enters the accommodating groove, the original width state of the first locking plate and the second locking plate is restored under the action of the elasticity of the first locking plate and the second locking plate, and the cable is limited and fixed in the accommodating groove; the first locking plate and the second locking plate are in smooth arc shapes at the position for fixing the second opening, so that the elastic spring leaf is prevented from scratching the lead; and the elastic reed has good resetting effect and conductive effect, is convenient to use, has buffering and shockproof effects, ensures that the lead is not damaged when frequently passing through the second opening, and has good safety performance.
Utilize the holding tank structure that first locking plate and second locking plate formed, the wire is fixed in getting into the holding tank through first opening and second opening in proper order, reaches and fixes couple and earth connection 8 on the wire and the purpose of electricity federation, has guaranteed that the contact of electricity federation is good, gets into the holding tank and breaks away from the holding tank and just can realize convenient whole operation process just need to first rope and second rope operation equally.
Further, the width of the opening end of the hook is larger than that of the other end of the hook; wholly be tubaeform, have a great first opening, improve and supply with the wire and get into the inside opening width of couple, improve the fault-tolerant rate, it is many to have effectively solved the tradition and hang the earth connection attempt number of times, the big scheduling problem of the operation degree of difficulty, adopt the great couple of opening, can improve the probability in throwing the back cable entering couple to improve cooperation efficiency, effectively reduce the attempt number of times, showing and improving the success rate that hangs the earth connection, accelerate the progress that has a power failure and overhauls.
Preferably, the two sides of the opening end of the hook are different in vertical distance from the other end, and the stop lever is arranged on one side with the shorter vertical distance; the opening end of the hook is connected with a grounding wire, one end of the grounding wire, which is far away from the hook, is connected with a grounding structure, and the grounding structure is electrically connected with the hook through the grounding wire and is used for grounding a wire matched on the hook.
Specifically, the grounding mechanism is reasonably configured according to a target grounding point, for example, a structure that a bolt connecting piece is matched with a clamp for locking or a structure that a spring clamp is used for clamping is selected, so long as one end of the grounding wire, which is far away from the hook, can be effectively grounded, and certainly, the grounding mechanism has good conductivity and meets the standard requirement in the grounding process;
it needs to point out very much, in order to guarantee the smoothness nature of couple and wire cooperation in-process, earth connection and couple complex position still are provided with oblique groove, and when taking gradually to retrieve on the wire along with the earth connection, the couple can utilize the light promotion of its oblique groove to the parallel and level notch of having avoided couple and earth connection cooperation department blocks the wire and gets into first opening part, and then improves the cooperation speed of couple and wire.
Furthermore, the first rope is fixed at the opening end of the hook, and the second rope is fixed at the other end of the hook; the first rope is fixed on one side of the open end where the grounding wire is located, and the first rope and the second rope are jointly placed or lifted along with the grounding wire.
The specific operation process is as follows:
when the device is hung, a proper position is found on the cross arm, the hook is thrown out, the first rope, the second rope and the grounding wire are put down along with the hook and are lapped on a target wire, and the hook is positioned below the target wire;
the first rope is actively lifted, the hook is driven by the first rope to gradually approach a target wire in a mode that a first opening faces upwards, when one side of the grounding wire connected with the hook is positioned above the wire, the other side of the hook is positioned below the wire under the action of the counterweight body, so that a state that the opening of the hook faces towards the wire is formed, at the moment, the stop lever is in a state of closing the first opening, but the wire is allowed to enter the hook from the outside of the hook due to the unidirectional blocking of the limiting block; continuously pulling the first rope to enable the lead to directly pass through the first opening and the second opening and enter the accommodating groove;
at the moment, the lead is fixed in the accommodating groove, the stop lever seals the first opening under the action of the balancing weight to realize the fixation of the hook, and the lead realizes a passage through the hook, the grounding wire and the grounding mechanism;
if the conducting wire falls off from the containing groove and is positioned between the first opening and the second opening, the conducting wire cannot fall off from the hook due to the one-way blocking effect of the stop lever matched with the limiting block, and locking is realized;
when the hook needs to be separated from the lead, the second rope is pulled, the hook is in a turning state at the moment, the first opening faces downwards, the stop lever is in a vertical state under the action of the gravity of the balancing weight and is completely positioned on one side of the hook, and a channel for the lead to pass through is formed at the first opening;
dragging the second rope to remove the lead from the accommodating groove and sequentially pass through the second opening, the channel and the first opening, so that the hook is separated from the lead;
constantly drag first rope, second rope and earth connection and withdraw the couple, realize whole ground connection and recovery process.
Furthermore, a copper sheet is fixed at the tail end of the grounding wire and is installed on the hook through a threaded connecting piece; utilize copper sheet cooperation threaded connection spare to realize being connected of earth connection and couple, when the unsatisfied demand of loss appears in the earth connection, can change the earth connection fast.
On the whole, the throwing hanging type grounding device provided by the application improves the operation speed of operators, reduces the hanging attempt times, and does not need to replace the hanging position in the face of the tension tower with a large corner, so that the workload and labor intensity of the operators are greatly reduced, and the safety of the maintenance work of the power transmission line is improved.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (8)
1. A throwing and hanging type grounding device is characterized by comprising a hook, wherein the hook is of a U-shaped structure comprising a first opening, the first opening is internally used for accommodating a cable, the hook is connected with a first rope and a second rope which are used for adjusting the orientation of the first opening of the hook, a stop lever is arranged at the first opening, the stop lever is hinged to one side of the first opening and rotates around a hinge point under the action of gravity, and the stopping lever is used for closing the first opening to limit the cable in the first opening or opening the first opening to form a channel for the cable to pass through;
the middle part of the stop lever is arranged on one side of the first opening, one end of the stop lever can contact with the other side of the first opening when rotating, and the other end of the stop lever is provided with a balancing weight;
when the first opening faces upwards, the stop lever is in a state of closing the first opening and used for stopping the cable from coming off from the first opening, and when the first opening faces downwards, the stop lever is integrally positioned on the same side of the first opening and matched with the first opening to form a channel.
2. The throwing-hanging type grounding device as claimed in claim 1, wherein a locking mechanism is disposed inside the first opening, the locking mechanism comprises a first locking plate and a second locking plate symmetrically disposed on the hook with respect to the center line of the hook, the first locking plate and the second locking plate together form a holding groove for holding and fixing the cable, a second opening is disposed at an end of the holding groove close to the first opening, and the width of the second opening is smaller than the width of the other parts of the holding groove.
3. The drop-on grounding device of claim 1, wherein the width of the open end of the hook is greater than the width of the other end.
4. A drop-on grounding device as claimed in claim 3, wherein the vertical distance from the open end of the hook to the other end is different from each other at both sides of the open end of the hook, and the stopper is installed at the side having the shorter vertical distance.
5. The drop-on grounding device as claimed in claim 1, wherein the open end of the hook is connected with a grounding wire, and the end of the grounding wire far from the hook is connected with a grounding structure, and the grounding structure is electrically connected with the hook through the grounding wire and is used for grounding a cable fitted on the hook.
6. The drop-on grounding device of claim 5, wherein the first rope is fixed at the open end of the hook and the second rope is fixed at the other end of the hook.
7. The throwing and hanging type grounding device as claimed in claim 6, wherein the first rope is fixed on one side of the grounding wire at the opening end, and the first rope and the second rope are put down or lifted together with the grounding wire to form a hook.
8. The throwing and hanging type grounding device as claimed in any one of claims 5 to 7, wherein a copper sheet is fixed at the tail end of the grounding wire, and the copper sheet is mounted on the hook through a threaded connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN112054435A (en) * | 2020-08-11 | 2020-12-08 | 国家电网有限公司 | High-altitude threading tool, mounting method and threading method |
| CN112271098B (en) * | 2020-09-25 | 2023-09-05 | 国网浙江慈溪市供电有限公司 | Picking-hanging type grounding device |
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| FR2600829A1 (en) * | 1986-06-30 | 1987-12-31 | Catu Ets | Electrical contact clamp with automatic clamping, especially for earthing overhead electrical conductors |
| CN2919627Y (en) * | 2006-07-19 | 2007-07-04 | 中国科学院沈阳自动化研究所 | Safety suspension rod for electricity working high above the ground |
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| CN204167519U (en) * | 2014-09-02 | 2015-02-18 | 中国南方电网有限责任公司超高压输电公司曲靖局 | Enclosed type wired earth wire clamp |
| CN104505609B (en) * | 2014-12-12 | 2017-01-04 | 国家电网公司 | A kind of earth lead removes adnexa |
| CN204441514U (en) * | 2015-04-08 | 2015-07-01 | 国网浙江武义县供电公司 | A kind of coupling type individual safety wire |
| CN205724008U (en) * | 2016-04-15 | 2016-11-23 | 国网山西省电力公司检修分公司 | Fall arrest earth terminal |
| CN105932445B (en) * | 2016-05-21 | 2018-04-03 | 宁波天弘电力器具有限公司 | A kind of short circuit earthing clamp with locking anti-loose function |
| CN208822235U (en) * | 2018-02-07 | 2019-05-07 | 湖北汽车工业学院 | Wind-proof clothes hanger |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2600829A1 (en) * | 1986-06-30 | 1987-12-31 | Catu Ets | Electrical contact clamp with automatic clamping, especially for earthing overhead electrical conductors |
| CN2919627Y (en) * | 2006-07-19 | 2007-07-04 | 中国科学院沈阳自动化研究所 | Safety suspension rod for electricity working high above the ground |
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